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1 /*!
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2 * jQuery UI Widget 1.10.4
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3 * http://jqueryui.com
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4 *
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5 * Copyright 2014 jQuery Foundation and other contributors
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6 * Released under the MIT license.
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7 * http://jquery.org/license
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8 *
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9 * http://api.jqueryui.com/jQuery.widget/
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10 */
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11 (function( $, undefined ) {
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12
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13 var uuid = 0,
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14 slice = Array.prototype.slice,
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15 _cleanData = $.cleanData;
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16 $.cleanData = function( elems ) {
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17 for ( var i = 0, elem; (elem = elems[i]) != null; i++ ) {
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18 try {
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19 $( elem ).triggerHandler( "remove" );
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20 // http://bugs.jquery.com/ticket/8235
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21 } catch( e ) {}
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22 }
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23 _cleanData( elems );
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24 };
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25
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26 $.widget = function( name, base, prototype ) {
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27 var fullName, existingConstructor, constructor, basePrototype,
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28 // proxiedPrototype allows the provided prototype to remain unmodified
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29 // so that it can be used as a mixin for multiple widgets (#8876)
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30 proxiedPrototype = {},
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31 namespace = name.split( "." )[ 0 ];
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32
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33 name = name.split( "." )[ 1 ];
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34 fullName = namespace + "-" + name;
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35
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36 if ( !prototype ) {
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37 prototype = base;
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38 base = $.Widget;
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39 }
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40
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41 // create selector for plugin
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42 $.expr[ ":" ][ fullName.toLowerCase() ] = function( elem ) {
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43 return !!$.data( elem, fullName );
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44 };
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45
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46 $[ namespace ] = $[ namespace ] || {};
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47 existingConstructor = $[ namespace ][ name ];
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48 constructor = $[ namespace ][ name ] = function( options, element ) {
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49 // allow instantiation without "new" keyword
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50 if ( !this._createWidget ) {
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51 return new constructor( options, element );
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52 }
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53
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54 // allow instantiation without initializing for simple inheritance
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55 // must use "new" keyword (the code above always passes args)
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56 if ( arguments.length ) {
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57 this._createWidget( options, element );
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58 }
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59 };
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60 // extend with the existing constructor to carry over any static properties
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61 $.extend( constructor, existingConstructor, {
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62 version: prototype.version,
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63 // copy the object used to create the prototype in case we need to
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64 // redefine the widget later
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65 _proto: $.extend( {}, prototype ),
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66 // track widgets that inherit from this widget in case this widget is
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67 // redefined after a widget inherits from it
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68 _childConstructors: []
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69 });
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70
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71 basePrototype = new base();
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72 // we need to make the options hash a property directly on the new instance
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73 // otherwise we'll modify the options hash on the prototype that we're
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74 // inheriting from
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75 basePrototype.options = $.widget.extend( {}, basePrototype.options );
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76 $.each( prototype, function( prop, value ) {
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77 if ( !$.isFunction( value ) ) {
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78 proxiedPrototype[ prop ] = value;
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79 return;
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80 }
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81 proxiedPrototype[ prop ] = (function() {
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82 var _super = function() {
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83 return base.prototype[ prop ].apply( this, arguments );
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84 },
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85 _superApply = function( args ) {
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86 return base.prototype[ prop ].apply( this, args );
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87 };
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88 return function() {
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89 var __super = this._super,
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90 __superApply = this._superApply,
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91 returnValue;
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92
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93 this._super = _super;
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94 this._superApply = _superApply;
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95
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96 returnValue = value.apply( this, arguments );
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97
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98 this._super = __super;
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99 this._superApply = __superApply;
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100
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101 return returnValue;
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102 };
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103 })();
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104 });
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105 constructor.prototype = $.widget.extend( basePrototype, {
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106 // TODO: remove support for widgetEventPrefix
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107 // always use the name + a colon as the prefix, e.g., draggable:start
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108 // don't prefix for widgets that aren't DOM-based
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109 widgetEventPrefix: existingConstructor ? (basePrototype.widgetEventPrefix || name) : name
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110 }, proxiedPrototype, {
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111 constructor: constructor,
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112 namespace: namespace,
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113 widgetName: name,
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114 widgetFullName: fullName
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115 });
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116
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117 // If this widget is being redefined then we need to find all widgets that
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118 // are inheriting from it and redefine all of them so that they inherit from
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119 // the new version of this widget. We're essentially trying to replace one
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120 // level in the prototype chain.
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121 if ( existingConstructor ) {
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122 $.each( existingConstructor._childConstructors, function( i, child ) {
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123 var childPrototype = child.prototype;
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124
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125 // redefine the child widget using the same prototype that was
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126 // originally used, but inherit from the new version of the base
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127 $.widget( childPrototype.namespace + "." + childPrototype.widgetName, constructor, child._proto );
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128 });
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129 // remove the list of existing child constructors from the old constructor
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130 // so the old child constructors can be garbage collected
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131 delete existingConstructor._childConstructors;
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132 } else {
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133 base._childConstructors.push( constructor );
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134 }
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135
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136 $.widget.bridge( name, constructor );
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137 };
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138
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139 $.widget.extend = function( target ) {
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140 var input = slice.call( arguments, 1 ),
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141 inputIndex = 0,
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142 inputLength = input.length,
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143 key,
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144 value;
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145 for ( ; inputIndex < inputLength; inputIndex++ ) {
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146 for ( key in input[ inputIndex ] ) {
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147 value = input[ inputIndex ][ key ];
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148 if ( input[ inputIndex ].hasOwnProperty( key ) && value !== undefined ) {
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149 // Clone objects
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150 if ( $.isPlainObject( value ) ) {
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151 target[ key ] = $.isPlainObject( target[ key ] ) ?
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152 $.widget.extend( {}, target[ key ], value ) :
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153 // Don't extend strings, arrays, etc. with objects
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154 $.widget.extend( {}, value );
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155 // Copy everything else by reference
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156 } else {
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157 target[ key ] = value;
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158 }
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159 }
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160 }
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161 }
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162 return target;
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163 };
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164
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165 $.widget.bridge = function( name, object ) {
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166 var fullName = object.prototype.widgetFullName || name;
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167 $.fn[ name ] = function( options ) {
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168 var isMethodCall = typeof options === "string",
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169 args = slice.call( arguments, 1 ),
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170 returnValue = this;
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171
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172 // allow multiple hashes to be passed on init
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173 options = !isMethodCall && args.length ?
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174 $.widget.extend.apply( null, [ options ].concat(args) ) :
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175 options;
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176
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177 if ( isMethodCall ) {
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178 this.each(function() {
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179 var methodValue,
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180 instance = $.data( this, fullName );
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181 if ( !instance ) {
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182 return $.error( "cannot call methods on " + name + " prior to initialization; " +
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183 "attempted to call method '" + options + "'" );
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184 }
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185 if ( !$.isFunction( instance[options] ) || options.charAt( 0 ) === "_" ) {
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186 return $.error( "no such method '" + options + "' for " + name + " widget instance" );
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187 }
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188 methodValue = instance[ options ].apply( instance, args );
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189 if ( methodValue !== instance && methodValue !== undefined ) {
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190 returnValue = methodValue && methodValue.jquery ?
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191 returnValue.pushStack( methodValue.get() ) :
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192 methodValue;
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193 return false;
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194 }
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195 });
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196 } else {
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197 this.each(function() {
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198 var instance = $.data( this, fullName );
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199 if ( instance ) {
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200 instance.option( options || {} )._init();
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201 } else {
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202 $.data( this, fullName, new object( options, this ) );
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203 }
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204 });
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205 }
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206
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207 return returnValue;
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208 };
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209 };
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210
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211 $.Widget = function( /* options, element */ ) {};
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212 $.Widget._childConstructors = [];
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213
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214 $.Widget.prototype = {
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215 widgetName: "widget",
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216 widgetEventPrefix: "",
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217 defaultElement: "<div>",
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218 options: {
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219 disabled: false,
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220
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221 // callbacks
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222 create: null
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223 },
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224 _createWidget: function( options, element ) {
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225 element = $( element || this.defaultElement || this )[ 0 ];
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226 this.element = $( element );
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227 this.uuid = uuid++;
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228 this.eventNamespace = "." + this.widgetName + this.uuid;
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229 this.options = $.widget.extend( {},
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230 this.options,
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231 this._getCreateOptions(),
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232 options );
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233
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234 this.bindings = $();
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235 this.hoverable = $();
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236 this.focusable = $();
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237
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238 if ( element !== this ) {
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239 $.data( element, this.widgetFullName, this );
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240 this._on( true, this.element, {
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241 remove: function( event ) {
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242 if ( event.target === element ) {
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243 this.destroy();
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244 }
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245 }
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246 });
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247 this.document = $( element.style ?
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248 // element within the document
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249 element.ownerDocument :
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250 // element is window or document
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251 element.document || element );
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252 this.window = $( this.document[0].defaultView || this.document[0].parentWindow );
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253 }
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254
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255 this._create();
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256 this._trigger( "create", null, this._getCreateEventData() );
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257 this._init();
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258 },
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259 _getCreateOptions: $.noop,
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260 _getCreateEventData: $.noop,
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261 _create: $.noop,
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262 _init: $.noop,
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263
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264 destroy: function() {
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265 this._destroy();
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266 // we can probably remove the unbind calls in 2.0
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267 // all event bindings should go through this._on()
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268 this.element
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269 .unbind( this.eventNamespace )
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270 // 1.9 BC for #7810
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271 // TODO remove dual storage
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272 .removeData( this.widgetName )
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273 .removeData( this.widgetFullName )
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274 // support: jquery <1.6.3
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275 // http://bugs.jquery.com/ticket/9413
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276 .removeData( $.camelCase( this.widgetFullName ) );
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277 this.widget()
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278 .unbind( this.eventNamespace )
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279 .removeAttr( "aria-disabled" )
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280 .removeClass(
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281 this.widgetFullName + "-disabled " +
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282 "ui-state-disabled" );
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283
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284 // clean up events and states
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285 this.bindings.unbind( this.eventNamespace );
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286 this.hoverable.removeClass( "ui-state-hover" );
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287 this.focusable.removeClass( "ui-state-focus" );
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288 },
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289 _destroy: $.noop,
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290
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291 widget: function() {
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292 return this.element;
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293 },
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294
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295 option: function( key, value ) {
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296 var options = key,
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297 parts,
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298 curOption,
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299 i;
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300
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301 if ( arguments.length === 0 ) {
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302 // don't return a reference to the internal hash
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303 return $.widget.extend( {}, this.options );
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304 }
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305
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306 if ( typeof key === "string" ) {
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307 // handle nested keys, e.g., "foo.bar" => { foo: { bar: ___ } }
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308 options = {};
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309 parts = key.split( "." );
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310 key = parts.shift();
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311 if ( parts.length ) {
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312 curOption = options[ key ] = $.widget.extend( {}, this.options[ key ] );
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313 for ( i = 0; i < parts.length - 1; i++ ) {
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314 curOption[ parts[ i ] ] = curOption[ parts[ i ] ] || {};
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315 curOption = curOption[ parts[ i ] ];
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316 }
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317 key = parts.pop();
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318 if ( arguments.length === 1 ) {
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319 return curOption[ key ] === undefined ? null : curOption[ key ];
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320 }
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321 curOption[ key ] = value;
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322 } else {
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323 if ( arguments.length === 1 ) {
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324 return this.options[ key ] === undefined ? null : this.options[ key ];
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325 }
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326 options[ key ] = value;
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327 }
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328 }
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329
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330 this._setOptions( options );
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331
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332 return this;
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333 },
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334 _setOptions: function( options ) {
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335 var key;
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336
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337 for ( key in options ) {
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338 this._setOption( key, options[ key ] );
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339 }
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340
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341 return this;
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342 },
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343 _setOption: function( key, value ) {
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344 this.options[ key ] = value;
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345
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346 if ( key === "disabled" ) {
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347 this.widget()
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348 .toggleClass( this.widgetFullName + "-disabled ui-state-disabled", !!value )
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349 .attr( "aria-disabled", value );
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350 this.hoverable.removeClass( "ui-state-hover" );
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351 this.focusable.removeClass( "ui-state-focus" );
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352 }
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353
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354 return this;
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355 },
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356
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357 enable: function() {
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358 return this._setOption( "disabled", false );
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359 },
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360 disable: function() {
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361 return this._setOption( "disabled", true );
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362 },
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363
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364 _on: function( suppressDisabledCheck, element, handlers ) {
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365 var delegateElement,
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366 instance = this;
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367
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368 // no suppressDisabledCheck flag, shuffle arguments
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369 if ( typeof suppressDisabledCheck !== "boolean" ) {
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370 handlers = element;
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371 element = suppressDisabledCheck;
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372 suppressDisabledCheck = false;
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373 }
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374
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375 // no element argument, shuffle and use this.element
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376 if ( !handlers ) {
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377 handlers = element;
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378 element = this.element;
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379 delegateElement = this.widget();
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380 } else {
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381 // accept selectors, DOM elements
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382 element = delegateElement = $( element );
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383 this.bindings = this.bindings.add( element );
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384 }
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385
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386 $.each( handlers, function( event, handler ) {
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387 function handlerProxy() {
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388 // allow widgets to customize the disabled handling
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389 // - disabled as an array instead of boolean
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390 // - disabled class as method for disabling individual parts
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391 if ( !suppressDisabledCheck &&
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392 ( instance.options.disabled === true ||
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393 $( this ).hasClass( "ui-state-disabled" ) ) ) {
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394 return;
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395 }
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396 return ( typeof handler === "string" ? instance[ handler ] : handler )
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397 .apply( instance, arguments );
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398 }
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399
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400 // copy the guid so direct unbinding works
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401 if ( typeof handler !== "string" ) {
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402 handlerProxy.guid = handler.guid =
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403 handler.guid || handlerProxy.guid || $.guid++;
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404 }
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405
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406 var match = event.match( /^(\w+)\s*(.*)$/ ),
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407 eventName = match[1] + instance.eventNamespace,
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408 selector = match[2];
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409 if ( selector ) {
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410 delegateElement.delegate( selector, eventName, handlerProxy );
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411 } else {
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412 element.bind( eventName, handlerProxy );
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413 }
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414 });
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415 },
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416
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417 _off: function( element, eventName ) {
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418 eventName = (eventName || "").split( " " ).join( this.eventNamespace + " " ) + this.eventNamespace;
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419 element.unbind( eventName ).undelegate( eventName );
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420 },
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421
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422 _delay: function( handler, delay ) {
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423 function handlerProxy() {
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424 return ( typeof handler === "string" ? instance[ handler ] : handler )
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425 .apply( instance, arguments );
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426 }
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427 var instance = this;
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428 return setTimeout( handlerProxy, delay || 0 );
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429 },
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430
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431 _hoverable: function( element ) {
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432 this.hoverable = this.hoverable.add( element );
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433 this._on( element, {
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434 mouseenter: function( event ) {
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435 $( event.currentTarget ).addClass( "ui-state-hover" );
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436 },
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437 mouseleave: function( event ) {
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438 $( event.currentTarget ).removeClass( "ui-state-hover" );
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439 }
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440 });
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441 },
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442
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443 _focusable: function( element ) {
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444 this.focusable = this.focusable.add( element );
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445 this._on( element, {
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446 focusin: function( event ) {
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447 $( event.currentTarget ).addClass( "ui-state-focus" );
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448 },
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449 focusout: function( event ) {
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450 $( event.currentTarget ).removeClass( "ui-state-focus" );
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451 }
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452 });
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453 },
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454
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455 _trigger: function( type, event, data ) {
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456 var prop, orig,
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457 callback = this.options[ type ];
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458
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459 data = data || {};
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460 event = $.Event( event );
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461 event.type = ( type === this.widgetEventPrefix ?
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462 type :
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463 this.widgetEventPrefix + type ).toLowerCase();
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464 // the original event may come from any element
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465 // so we need to reset the target on the new event
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466 event.target = this.element[ 0 ];
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467
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468 // copy original event properties over to the new event
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469 orig = event.originalEvent;
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470 if ( orig ) {
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471 for ( prop in orig ) {
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472 if ( !( prop in event ) ) {
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473 event[ prop ] = orig[ prop ];
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474 }
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475 }
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476 }
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477
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478 this.element.trigger( event, data );
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479 return !( $.isFunction( callback ) &&
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480 callback.apply( this.element[0], [ event ].concat( data ) ) === false ||
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481 event.isDefaultPrevented() );
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482 }
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483 };
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484
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485 $.each( { show: "fadeIn", hide: "fadeOut" }, function( method, defaultEffect ) {
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486 $.Widget.prototype[ "_" + method ] = function( element, options, callback ) {
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487 if ( typeof options === "string" ) {
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488 options = { effect: options };
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489 }
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490 var hasOptions,
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491 effectName = !options ?
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492 method :
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493 options === true || typeof options === "number" ?
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494 defaultEffect :
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495 options.effect || defaultEffect;
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496 options = options || {};
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497 if ( typeof options === "number" ) {
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498 options = { duration: options };
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499 }
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500 hasOptions = !$.isEmptyObject( options );
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501 options.complete = callback;
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502 if ( options.delay ) {
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503 element.delay( options.delay );
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504 }
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505 if ( hasOptions && $.effects && $.effects.effect[ effectName ] ) {
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506 element[ method ]( options );
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507 } else if ( effectName !== method && element[ effectName ] ) {
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508 element[ effectName ]( options.duration, options.easing, callback );
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509 } else {
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510 element.queue(function( next ) {
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511 $( this )[ method ]();
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512 if ( callback ) {
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513 callback.call( element[ 0 ] );
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514 }
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515 next();
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516 });
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517 }
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518 };
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519 });
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520
|
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521 })( jQuery );
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